GROUP ONE TRADING, L.P. - FUSION-IO INC ownership

FUSION-IO INC's ticker is and the CUSIP is 36112J957. A total of 4 filers reported holding FUSION-IO INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of FUSION-IO INC
ValueSharesWeighting
Q2 2014$4,761,000
+33.4%
421,300
+24.1%
0.07%
+21.7%
Q1 2014$3,570,000
+77.5%
339,400
+50.4%
0.06%
+100.0%
Q4 2013$2,011,000
-40.1%
225,700
-10.0%
0.03%
-53.1%
Q3 2013$3,360,000
+166.9%
250,900
+183.8%
0.06%
+106.5%
Q2 2013$1,259,00088,4000.03%
Other shareholders
FUSION-IO INC shareholders Q4 2013
NameSharesValueWeighting ↓
BOLTON LP 790$1,832,0000.34%
GROUP ONE TRADING, L.P. 225,700$2,011,0000.03%
Timber Hill LLC 115,600$1,030,0000.00%
Citadel Advisors 251,900$2,244,0000.00%
View complete list of FUSION-IO INC shareholders